package com.example.demo.controller;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

@ResponseBody
@Controller
@RequestMapping("/calc")
public class CalcController {

    @RequestMapping("/sum")
    public String sum(Integer num1,Integer num2){
        return String.format("<h1>计算的结果是：%d</h1><a " +
                "href='javascript:history.go(-1);'>返回</a>",num1 + num2);
    }
}
